On Mon, 2016-09-05 at 14:03 +0200, Matthias Klose wrote: > The attached patch adds support for building zero for the x86_64- > linux-gnux32 > target, having changes in the build system, hotspot and jdk. > > - the build system currently only derives the target from > the cpu in PLATFORM_EXTRACT_VARS_FROM_CPU; that is not enough > for the new target, which only differs by the ending of the > triplet. However the $host macro should be available anywhere. > > - the hotspot part just handles the new "cpu" > > - GensrcX11Wrappers.gmk assumes that there is a black/white > decision about -m32/-m64. The patch works around it. However > the real patch should be to get these flags from the build > system, and not hardcode itself. > > - the sysctl system call is unsupported in the x32 kernel, and > just the include leads to a build error. From my point of view > the header is not needed. I had successful builds on all other > targets without including it. If you want to keep the include, > then it should be guarded with > #if !(defined(_ILP32) && defined(__x86_64__)) > > Matthias
I've filed this bug for this: https://bugs.openjdk.java.net/browse/JDK-8165440 Unfortunately, I have no way of testing it. Cheers, Severin
